Quantitative Data Analysis
Expert-defined terms from the Masterclass Certificate in ELISA Assays course at London School of Business and Administration. Free to read, free to share, paired with a professional course.
Absorbance refers to the amount of light absorbed by a sample, which is a crucia… #
It is measured using a spectrophotometer and is expressed as the logarithm of the ratio of the intensity of the incident light to the intensity of the transmitted light. Related terms include optical density and transmittance. The absorbance of a sample is directly proportional to the concentration of the analyte, and it is used to determine the amount of analyte present in the sample.
Accuracy is the degree to which the results of a measurement or analysis agree w… #
In the context of ELISA assays, accuracy is critical to ensure that the results are reliable and trustworthy. Related terms include precision and trueness. The accuracy of an ELISA assay can be affected by various factors, such as the quality of the reagents, the calibration of the equipment, and the skills of the operator.
Antibody is a protein that is produced by the immune system in response t… #
In ELISA assays, antibodies are used to detect and quantify specific analytes. Related terms include antigen and immunoglobulin. The antibody-antigen reaction is highly specific, and it is the basis for the sensitivity and selectivity of ELISA assays.
Antigen is a substance that can trigger an immune response, resulting in… #
In ELISA assays, antigens are used as analytes or as capture molecules to detect specific antibodies. Related terms include antibody and immunoglobulin. The antigen-antibody reaction is highly specific, and it is the basis for the sensitivity and selectivity of ELISA assays.
Assay is a procedure or test that is used to detect, quantify, or… #
In the context of ELISA assays, an assay refers to the entire process of preparing the sample, adding the reagents, and measuring the response. Related terms include protocol and procedure. The assay protocol should be carefully optimized to ensure that the results are accurate and reliable.
Background is the signal or noise that is present in the absence o… #
In ELISA assays, background can be caused by various factors, such as non-specific binding or instrumental noise. Related terms include signal and noise. The background signal should be minimized to optimize the sensitivity and selectivity of the assay.
Calibration is the process of adjusting or configuring the equipment or t… #
In ELISA assays, calibration is critical to ensure that the results are quantitative and trustworthy. Related terms include validation and verification. The calibration process should be performed regularly to ensure that the equipment and the assay protocol are functioning properly.
Capture antibody is an antibody that is used to capture or bind… #
The capture antibody is typically immobilized on a solid support, such as a plate or a bead. Related terms include detection antibody and secondary antibody. The capture antibody should be highly specific and sensitive to ensure that the assay is accurate and reliable.
Concentration is the amount of analyte present in a given volum… #
In ELISA assays, concentration is typically expressed in units of mass per unit volume, such as micrograms per milliliter. Related terms include amount and quantity. The concentration of the analyte can be determined using a calibration curve or a standard curve.
Control is a sample or a standard that is used to validate … #
Related terms include calibrator and reference material. The control sample should be carefully prepared and characterized to ensure that it is stable and reliable.
Detection antibody is an antibody that is used to detect or qua… #
The detection antibody is typically labeled with a reporter molecule, such as an enzyme or a fluorophore. Related terms include capture antibody and secondary antibody. The detection antibody should be highly specific and sensitive to ensure that the assay is accurate and reliable.
Detection limit is the minimum amount of analyte that can b… #
Related terms include limit of detection and sensitivity. The detection limit should be carefully determined and reported to ensure that the results are accurate and reliable.
ELISA is an acronym that stands for Enzyme #
Linked ImmunoSorbent Assay. It is a widely used technique for detecting and quantifying specific analytes in a sample. Related terms include immunoassay and enzyme immunoassay. The ELISA technique is highly specific and sensitive, and it is commonly used in clinical and research settings.
Enzyme is a protein that catalyzes a specific chemical reac… #
In ELISA assays, enzymes are commonly used as reporter molecules to detect and quantify the analyte. Related terms include substrate and product. The enzyme should be carefully selected and optimized to ensure that the assay is accurate and reliable.
Enzyme #
linked immunosorbent assay is a technique that combines the principles of immunology and enzymology to detect and quantify specific analytes. Related terms include immunoassay and ELISA. The enzyme-linked immunosorbent assay is highly specific and sensitive, and it is commonly used in clinical and research settings.
Error is a deviation or discrepancy between the measured va… #
In ELISA assays, error can be caused by various factors, such as instrumental noise or human error. Related terms include precision and accuracy. The error should be carefully evaluated and reported to ensure that the results are accurate and reliable.
Fluorescence is a phenomenon in which a molecule absorbs light at… #
In ELISA assays, fluorescence is commonly used as a reporter signal to detect and quantify the analyte. Related terms include fluorophore and fluorescent label. The fluorescence signal should be carefully optimized to ensure that the assay is accurate and reliable.
Horseradish peroxidase is an enzyme that is commonly used as a reporte… #
It catalyzes the oxidation of a substrate, resulting in a colorimetric or fluorimetric signal. Related terms include enzyme and substrate. The horseradish peroxidase should be carefully selected and optimized to ensure that the assay is accurate and reliable.
Immunoassay is a technique that uses antibodies or antigens … #
Related terms include ELISA and enzyme immunoassay. The immunoassay technique is highly specific and sensitive, and it is commonly used in clinical and research settings.
Immunoglobulin is a protein that is produced by the immune system in resp… #
In ELISA assays, immunoglobulins are used as capture or detection antibodies to detect and quantify specific analytes. Related terms include antibody and antigen. The immunoglobulin should be carefully selected and optimized to ensure that the assay is accurate and reliable.
Interference is a phenomenon in which a substance or a factor</… #
Related terms include inhibition and enhancement. The interference should be carefully evaluated and reported to ensure that the results are accurate and reliable.
Limit of detection is the minimum amount of analyte that ca… #
Related terms include detection limit and sensitivity. The limit of detection should be carefully determined and reported to ensure that the results are accurate and reliable.
Microplate is a plate or a device that is used to perform ELISA as… #
Related terms include well and plate. The microplate should be carefully selected and optimized to ensure that the assay is accurate and reliable.
Noise is a random or unwanted signal that is present in the bac… #
Related terms include signal and background. The noise should be carefully evaluated and minimized to optimize the sensitivity and selectivity of the assay.
Optimization is the process of adjusting or configuring the assay protoco… #
In ELISA assays, optimization is critical to ensure that the results are quantitative and trustworthy. Related terms include calibration and validation. The optimization process should be carefully performed to ensure that the equipment and the assay protocol are functioning properly.
Precision is the degree to which the results of a measurement or analysis… #
In ELISA assays, precision is critical to ensure that the results are reliable and trustworthy. Related terms include accuracy and reproducibility. The precision of an ELISA assay can be affected by various factors, such as the quality of the reagents, the calibration of the equipment, and the skills of the operator.
Quantification is the process of determining the amount or conc… #
In ELISA assays, quantification is critical to ensure that the results are accurate and reliable. Related terms include calibration and standard curve. The quantification process should be carefully performed to ensure that the results are accurate and reliable.
Reagent is a substance or a chemical that is used in an ELISA assa… #
Related terms include buffer and enzyme. The reagent should be carefully selected and optimized to ensure that the assay is accurate and reliable.
Reproducibility is the degree to which the results of a measurement or an… #
In ELISA assays, reproducibility is critical to ensure that the results are reliable and trustworthy. Related terms include precision and accuracy. The reproducibility of an ELISA assay can be affected by various factors, such as the quality of the reagents, the calibration of the equipment, and the skills of the operator.
Sensitivity is the ability of an ELISA assay to detect or quant… #
Related terms include limit of detection and detection limit. The sensitivity of an ELISA assay should be carefully evaluated and reported to ensure that the results are accurate and reliable.
Signal is a response or a signal that is generated by an ELISA ass… #
Related terms include noise and background. The signal should be carefully optimized to ensure that the assay is accurate and reliable.
Specificity is the ability of an ELISA assay to distinguish or … #
Related terms include selectivity and cross-reactivity. The specificity of an ELISA assay should be carefully evaluated and reported to ensure that the results are accurate and reliable.
Standard is a sample or a reference material that is used to ca… #
Related terms include calibrator and control. The standard should be carefully prepared and characterized to ensure that it is stable and reliable.
Standard curve is a graph or a plot that is used to calibrate</… #
Related terms include calibration and quantification. The standard curve should be carefully prepared and optimized to ensure that the results are accurate and reliable.
Substrate is a substance or a chemical that is used in an ELISA as… #
Related terms include enzyme and product. The substrate should be carefully selected and optimized to ensure that the assay is accurate and reliable.
Validation is the process of evaluating or verifying the perfor… #
Related terms include calibration and optimization. The validation process should be carefully performed to ensure that the equipment and the assay protocol are functioning properly.
Verification is the process of evaluating or confirming the ide… #
In ELISA assays, verification is critical to ensure that the results are accurate and reliable. Related terms include validation and calibration. The verification process should be carefully performed to ensure that the results are accurate and reliable.
Wash is a step or a process that is used to remove or el… #
Related terms include rinsing and cleaning. The wash step should be carefully optimized to ensure that the assay is accurate and reliable.
Well is a small container or a compartment that is used to… #
Related terms include microplate and plate. The well should be carefully selected and optimized to ensure that the assay is accurate and reliable.
Zero is a value or a point that is used as a reference or a… #
Related terms include blank and background. The zero point should be carefully determined and reported to ensure that the results are accurate and reliable.